Alternative spelling of Oryol, an oblast of Russia / Alternative spelling of Oryol, a city, the administrative center of Oryol Oblast, Russia

Without ore.

(now historical) The river Amazon.

(organic chemistry) A lethal mycotoxin found in Orellani mushrooms; 3,3′,4,4′-tetrahydroxy-2,2′-bipyridine-N,N′-dioxide.

(organic chemistry) orellanine

A surname from Spanish.

plural of Orellano